/**
 * Periodos.java
 */

 /**
 *  AdSec: Administrador de Secundarias
 *  Copyright (C) 2009 Daniela Ramírez Chaves (dannyrch@gmail.com)
 *  Copyright (C) 2009 Leonel Salazar Valverde (leo87sv@gmail.com)
 *
 *  This file is part of AdSec.
 *  AdSec is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  AdSec is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with AdSec.  If not, see <http://www.gnu.org/licenses/>.
 */

package adsec.entidades;

import java.util.Iterator;
import java.util.LinkedList;


public class Periodos {

    private LinkedList<Periodo> periodos;

    public Periodos(){
        this.periodos = new LinkedList<Periodo>();
    }//fin de constructor

    public void agregarPeriodo(Periodo periodo){
        this.periodos.add(periodo);
    }

    public Periodo getPeriodo(int posicion){
        Periodo periodo = null;
        if(posicion >= 0 && posicion < this.periodos.size()){
            periodo = this.periodos.get(posicion);
        }
        return periodo;
    }

    public void removerPeriodo(Periodo periodo){
        this.periodos.remove(periodo);
    }

    public void removerPeriodo(int posicion){
        if(posicion >= 0 && posicion < this.periodos.size()){
            this.periodos.remove(posicion);
        }
    }

    public Iterator<Periodo> getIterador(){
        return this.periodos.iterator();
    }

    public int getCantidadPeriodos(){
        return this.periodos.size();
    }

    public void setIdMateriaCursada(int idMateriaCursada){
        Iterator<Periodo> iterador = this.periodos.iterator();
        while(iterador.hasNext()){
            iterador.next().setIdMateriaCursada(idMateriaCursada);
        }
    }
}//fin de clase Periodos
